58 



PHACTICAL BOTANY 



IS.-" 



FIG. 2. Diagram illustrating the course of the vascular bundles in the stein of 

 Iberis amara : the points of exit of the solitary vascular bundles of the leaf- 

 traces into the successive leaves are numbered 118; the divergence is fa. 

 This figure is constructed from n model prepared in the Botanic Institute in 

 Graz. (After Reinke.) 



